Kuštera families are Croats and they are mostly from the Island of Pasman. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and on the Island of Ugljan. In Kraj on the Island of Pasman every eighth inhabitant had the family name Kuštera.
Prevalence
About 130 people with faimily name Kuštera live in Croatia today, in 60 households. There were 110 of them in the middle of the past century, and their number increased by 20 percent. They are located in 9 Croatian counties, in 12 cities and 11 other places, mostly in Kraj on the Island of Pasman (45), Zadar (25), Split (10), Preko on the Island of Ugljan (10), and in Tkon on the Island of Pasman (<10).
Outside Croatia
At least three families with this surname emigrated from Croatia to the United States. Family name Kuštera is present in two countries on two continents. The family name "Kustera " is used by some 70 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.
